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Prusa i3 MK3 camera mount

by Lexx_666 Dec 28, 2017
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I printed out both the short and long version of the arms. Some notes below:

  1. arm is too weak for gopro hero 5/6/7 series (flexes and bounces badly when printing).
  2. arm requires possible extension to grab bed better and allow for more zip ties. Consider making a channel for the zip ties for better grip as the zip tie closest to the camera does not grab too well even when crossed into an X.
  3. Vertical mount bolt is too bulky, I used a simple screw and nut for a firm grip.
  4. I can assist to design the new arm if you are open to suggestions :) I use catia v5.

I thought about closing the notch on top and make it longer. As a Linux user I don't own a decent CAD, but I'm really happy with blender. The .blend file is downloadable in the "Thing Files". Perhaps blender can export to a format catia likes, so feel free to modify.

Would this fit on an MK2s?

I don't know... I don't own an MK2s. I guess the bed mount was changed, so probably not.

The bed is very similar. If it is a stock Mk2/s then it will most likely work. I cant test mine as I have the bear frame and the profiles hit the bed.
But the threaded rods should be fine.

The bed frame was the same on the mk2/mk3 with regards to that corner :) More mounting points on the mk2.

This does not seem to work. The front zip tie slot interferes with the bed mounting post. It mounts but you have to route the zip tie around the post. Also, the angle is off. It is 45 degrees but since it sits out so far in front of the bed, if your mount does not rotate (most GoPro mounts I've seen are not rotatable) then the angle is not centered on the bed. If the top part could be just a hole for a 1/4-20 bolt, that would work better I think because then you could just mount a standard GoPro tripod mount at any angle. And if the mounting slot could be lengthened for different zip tie locations (without contacting the zip tie holding the rod) and the whole arm shortened to allow use inside of an enclosure, it would work very well indeed.

Thanks for your comment. I've updated the mount to version 4. Better placement of the zip ties. Shorter arm, though it is very close to the print head now. The camera mount now has two parts, so you can rotate it.

This thing is NOT compatible with the Original Prusa i3 MK3... The GoPro just aims down the side of the print bed

My camera is turnable while mounted. But I have made a new version which is turned by some degree. Please try the MK3_camera-mount_v3.stl I have just uploaded.

UPDATE: There is now a version with a turnable mount.